Ever wonder what happens to your data between the write() call and the disk drive? Or feel the need to scrape your bits off the drive after an accident? If so, this talk is for you! Come learn the dark art of how filesystems work.

At one point it was popular to refer to the eyes as windows to the soul, and common wisdom accepted that you could learn a great deal about a person's inner thoughts by looking at their eyes. Then that notion fell out of fashion, except perhaps in love songs. But once we learned how to track people's eye motions, record them, and analyse the data, we realized that there may have been something to it.

This presentation will be of interest to system administrators and developers that want to provide isolated environments for production applications or test machines without the overhead of virtualization.

Let's make an IRC bot together. A room of people will either come together, or break up into teams to create an IRC bot within the context of a session. What the bot will do, is up to the people in the room. The outcome is different every time, but it will surely teach us something about technology, and human nature.

Machine learning and data mining methods underlie many exciting products and services, but their underlying workings remain opaque to many, even developers. I will provide a brief tutorial on some of the most important concepts and methods from machine learning and data mining, with motivating examples and illustrations from open source tools. Particular emphasis will be placed on learning methods and their appropriate use.

As the #2 most popular web server, NGINX has gained attention because of its performance, scalability and ability to manage concurrent requests.
What are the basics that every developer needs to know about NGINX? Why would you choose Nginx over some other web server? What are typical deployment scenarios?

Security vulnerabilities can be a source of anxiety and lost sleep, or they can be a carefully managed opportunity to bring communities together, practice safe operational practices, and prevent problems. Join me to discuss how we can all manage our security issues sanely and cooperatively, and lose less sleep!

Y'know those "Interactive Fiction" (IF) text-adventure thingies? Inform 7 is a language for writing IF in the style of English prose. It's also a neat idea for general modeling. Let's build a simple world together while learning some of what Inform 7 is about.

Does your business have customers, people doing work, and/or people investing money and time? In what ways do you have trust/reputation, empathy/reciprocity, and ability to act? What public knowledge and shared experiences do people have? On what choices do they have the ability to make decisions and get stuff done?
Alex Linsker will share his experiences learned from Portland's cooperative workplace "Collective Agency". The focus will be guided break-out sessions for you to grow an active citizenry of your work. What kind of city do you want your business to be? What are non-traditional ways to work with many active, equal citizens, and to be an active, equal citizen yourself?

Me: experienced Symfony 1 developer trying to decide whether to make the jump to Symfony 2 or to another web application framework. You: opinionated and passionate users of other MVC-style frameworks. Together we'll form an impromptu un-panel to compare and contrast our toolkits.

The M4 macro preprocessor is a tool that inspires fear in the hearts of many open tech developers. This is kind of pathetic. I'll show you how to quickly, easily and fearlessly build useful prototype tools in M4.

I'll be taking a deep dive into cloud architectures and how to build applications, generally at the PaaS level mixed with a little IaaS, to get people rolling with high velocity, high quality, and without the need to worry about the little things.

There are decades of accumulated knowledge in optimizing relational databases, and so much of it is either unhelpful or downright counterproductive in modern cloud-based environments. We'll discuss how the cloud is different, how to think through it, and go through examples in modern FLOSS DBs in cloud environments.

TileMill is a modern design studio for making beautiful maps with open data. It is built entirely using open source components, and has a gorgeous UI whether run on Windows, Mac, or via a browser. Learn how this is possible.

Writing code is one thing; however this session covers everything BUT the code, opening a box full of tools to use with your LAMP (but with a definite PHP flavour) stack. Expect a showcase of which tools are currently around, and when you'll want to use them. We'll see what they can do and how we can apply them in a practical way.

Video editing using Open Source can be quite a headache if you are not using the proper tools with adequate functionalities. So, in this tutorial we will learn how to do video editing using Kdenlive which is a non-linear video editor.